Story highlights. (CNN)Alan Rickman, the British actor with the unforgettable voice who played the brooding Professor Severus Snape in the Harry Potter films as well as Die Hard villain Hans Gruber, died Thursday after a short battle with cancer, according to his representatives at Independent Talent Group. He was 69.
Brittany Nicole Carpentero (born May 20, 1988), better known by her stage name Diamond, is an American rapper and former member of the group Crime Mob.
Diamonds are formed as an allotrope of the element carbon, at depths greater than 90 miles. The pressure and heat at this depth was critical to the formation of the diamonds that are mined at the surface today. At crustal pressures, the stable form of carbon is the allotrope graphite.